CN216923648U

CN216923648U - Double-cylinder bearable viscous damper

Info

Publication number: CN216923648U
Application number: CN202123260948.5U
Authority: CN
Inventors: 马忠元; 李明伟; 龚自辉; 陈林江; 都业辉; 王鑫鑫
Original assignee: Jiangsu Hongmao Energy Saving Technology Co ltd
Current assignee: Jiangsu Hongmao Energy Saving Technology Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-07-08
Anticipated expiration: 2031-12-23

Abstract

The utility model relates to a double-cylinder bearable viscous damper, which comprises a lower shell, wherein a lower connecting plate is arranged at the bottom of the lower shell, a first cavity and a second cavity are formed in the lower shell, damping liquid is respectively arranged in the first cavity and the second cavity, an upper connecting plate is arranged above the lower shell, an upper shell is arranged at the bottom of the upper connecting plate, a first plunger and a second plunger are arranged at the bottom of the upper connecting plate, a third cavity is formed in the lower shell, and a pressure spring and a support body are arranged in the third cavity. The viscous damper with the structure can reduce the vibration of the pipeline, can be used for supporting the weight of the pipeline, and reduces the installation difficulty and cost.

Description

Double-cylinder bearable viscous damper

Technical Field

The utility model relates to a double-cylinder bearable viscous damper, and belongs to the technical field of vibration control.

Background

The viscous damper is a general device for damping vibration of the pipeline, and the vibration damping principle of the viscous damper is to consume the vibration kinetic energy of the pipeline through the deformation of damping fluid; the existing double-cylinder viscous damper only has the vibration isolation function and cannot support the weight of a pipeline, and therefore a supporting hanger is required to be additionally arranged to support the pipeline, and therefore installation difficulty and installation cost are increased.

Disclosure of Invention

According to the defects in the prior art, the technical problems to be solved by the utility model are as follows: the double-cylinder bearable viscous damper not only can reduce vibration of a pipeline, but also can be used for supporting the weight of the pipeline, a new support hanger is not needed to support the pipeline, and installation difficulty and installation cost are reduced.

The utility model relates to a double-cylinder bearable viscous damper, which comprises a lower shell arranged vertically, wherein a lower connecting plate connected with the lower shell is horizontally arranged at the bottom of the lower shell, a first cavity and a second cavity are formed in the lower shell, damping liquid for generating damping force is respectively arranged in the first cavity and the second cavity, an upper connecting plate is horizontally arranged above the lower shell corresponding to the lower connecting plate, an upper shell connected with the upper connecting plate is vertically arranged at the bottom of the upper connecting plate corresponding to the lower shell, a first plunger and a second plunger are vertically arranged in the upper shell at the bottom of the upper connecting plate, the upper ends of the first plunger and the second plunger are respectively connected to the upper connecting plate, and the lower ends of the first plunger and the second plunger are respectively inserted into the damping liquid in the first cavity and the second cavity, and is characterized in that: the lower shell is internally provided with a cavity III, a pressure spring for supporting is vertically arranged in the cavity III, a support body is vertically arranged at the top of the pressure spring, the lower end of the support body penetrates through the cavity III, and the top of the support body is supported on the upper connecting plate.

Further preferably, the cavity three is located between the cavity one and the cavity two.

Preferably, the upper surface of the support body is provided with a plurality of hemispherical pits, and each pit is internally provided with a ball body for supporting.

Preferably, a flat plate is horizontally arranged at the bottom of the pressure spring in the cavity III, and a screw is vertically arranged on a lower connecting plate at the bottom of the flat plate in a penetrating mode through threads.

Preferably, the lower shell is sleeved with a sealing sleeve, and the upper end of the sealing sleeve is sleeved on the upper shell.

Preferably, the support body is made of carbon fiber, and the ball is made of hard alloy.

Compared with the prior art, the utility model has the following beneficial effects:

according to the bearable viscous damper of the double cylinders, the third cavity is arranged between the first cavity and the second cavity, the pressure spring for supporting is vertically arranged in the third cavity in a penetrating mode, the supporting body is vertically arranged at the top of the pressure spring, the flat plate is horizontally arranged at the bottom of the pressure spring, the screw is arranged on the lower connecting plate at the bottom of the flat plate in a penetrating mode through threads, the height of the flat plate can be increased and decreased through rotating the screw, the compression amount of the pressure spring is adjusted, the weight borne by the viscous damper is adjusted, supporting of a pipeline and vibration reduction of the pipeline are achieved, and the installation difficulty and the installation cost of the viscous damper are reduced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

in the figure: 1. the device comprises an upper connecting plate 2, a first plunger 3, a first cavity 4, a support body 5, a sphere 6, a second cavity 7, a second plunger 8, an upper shell 9, a sealing sleeve 10, a lower shell 11, damping liquid 12, a lower connecting plate 13, a pressure spring 14, a flat plate 15, screws 16 and a third cavity.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

the present invention is further illustrated by the following specific examples, which are not intended to limit the scope of the utility model, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Examples

As shown in fig. 1 and 2, a lower casing 10 is vertically arranged, a lower connecting plate 12 connected with the lower casing 10 is horizontally arranged at the bottom of the lower casing 10, a first cavity 3 and a second cavity 6 are arranged in the lower casing 10, damping fluid 11 for generating damping force is arranged in the first cavity 3 and the second cavity 6, an upper connecting plate 1 is horizontally arranged above the lower casing 10 corresponding to the lower connecting plate 12, an upper casing 8 connected with the upper connecting plate 1 is vertically arranged at the bottom of the upper connecting plate 1 corresponding to the lower casing 10, a first plunger 2 and a second plunger 7 are vertically arranged in the upper casing 8 at the bottom of the upper connecting plate 1, the upper ends of the first plunger 2 and the second plunger 7 are connected to the upper connecting plate 1, the lower ends of the first plunger 2 and the second plunger 7 are respectively inserted into the damping fluid 11 in the first cavity 3 and the second cavity 6, a third cavity 16 is arranged in the lower casing 10, and a pressure spring 13 for supporting is vertically arranged in the third cavity 16, a support body 4 is vertically arranged at the top of the pressure spring 13, the lower end of the support body 4 is arranged in the cavity III 16 in a penetrating mode, and the top of the support body 4 is supported on the upper connecting plate 1.

The third cavity 16 is located between the first cavity 3 and the second cavity 6. As shown in fig. 1 and 2, the technical design of this section is beneficial to the balance of the supporting force applied to the upper connecting plate 1, so that the viscous damper has a more compact structure.

The upper surface of the supporting body 4 is provided with a plurality of hemispherical pits, and a ball body 5 for supporting is arranged in each pit. As shown in fig. 1, in this technical design, when the upper connection plate 1 is displaced, the balls 5 on the support body 4 rotate to reduce friction, so that the upper connection plate 1 can be supported well.

A flat plate 14 is horizontally arranged at the bottom of the pressure spring 13 in the cavity III 16, and a screw 15 is vertically arranged on the lower connecting plate 12 at the bottom of the flat plate 14 in a penetrating mode through threads. As shown in fig. 1, the technical design of this section adjusts the supporting force of the pressure spring 13 by rotating the screw 15, and the bearing range of the viscous damper is increased.

The lower shell 10 is sleeved with a sealing sleeve 9, and the upper end of the sealing sleeve 9 is sleeved on the upper shell 8. As shown in fig. 1, the technical design of this section can effectively prevent foreign matters such as dust and rain water from entering the viscous damper to pollute the damping fluid 11, and prolong the service life of the viscous damper.

The support body 4 is made of carbon fiber, and the ball body 5 is made of hard alloy. As shown in figure 1, the technical design of the section reduces the friction coefficient between the support body 4 and the ball body 5, and improves the capacity of overcoming displacement when the upper connecting plate 1 bears the load.

As shown in fig. 1, during assembly, the damping fluid 11 is injected into the first cavity 3 and the second cavity 6, the plate 14 is horizontally placed in the third cavity 16, the pressure spring 13 is placed on the plate 14, the support body 4 is placed on the pressure spring 13, each sphere 5 is placed in a pit at the top of the support body 4, the sealing sleeve 9 is sleeved on the lower shell 10, the first plunger 2 and the second plunger 7 are respectively inserted into the damping fluid 11 of the first cavity 3 and the second cavity 6 through the upper connecting plate 1, the upper end of the sealing sleeve 9 is sleeved on the upper shell 8, and the screw 15 is installed on the lower shell 12 through threads, so that the assembly of the viscous damper is completed.

As shown in fig. 1, during installation, the pipe clamp accessory is installed on a pipeline, and then the viscous damper is connected to the pipe clamp accessory through an upper connecting plate 1; then place lower junction plate 12 on the girder steel, slide lower junction plate 12 from side to side, let lower casing 10 and upper housing 8 correspond and place, then fasten lower junction plate 12 on the girder steel through the bolt, finally revolving screw 15 jacks up dull and stereotyped 14, dull and stereotyped 14 jacks up supporter 4 through pressure spring 13, supporter 4 rethread spheroid 5 jacks up upper junction plate 1, upper junction plate 1 supports the pipeline through the pipe clamp annex, accomplishes viscous damper and installs.

As shown in fig. 1, during operation, vibration of a pipeline is transmitted to an upper connecting plate 1, a first plunger 2 and a second plunger 7 through a pipe clamp accessory, the first plunger 2 and the second plunger 7 swing in a damping liquid 11 along with the vibration of the pipeline, the inner side of the damping liquid 11 is tightly wrapped on the inner surface and the outer surface of the first plunger 2 and the second plunger 7, the outer side of the damping liquid 11 is tightly attached to the inner walls of a first cavity 3 and a second cavity 6, the first plunger 2 and the second plunger 7 can extrude and stretch the damping liquid 11 when swinging left and right, the damping liquid 11 deforms for preventing the first plunger 2 and the second plunger 7 from swinging, the damping liquid 11 can generate heat due to self deformation, the generated heat is diffused into air through a lower shell 10, and kinetic energy of the pipeline vibration is converted into heat energy, so that vibration isolation of the pipeline is realized.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The bearing viscous damper comprises a lower shell (10) which is vertically arranged, a lower connecting plate (12) connected with the lower shell is horizontally arranged at the bottom of the lower shell (10), a first cavity (3) and a second cavity (6) are formed in the lower shell (10), damping liquid (11) used for generating damping force is arranged inside the first cavity (3) and the second cavity (6), an upper connecting plate (1) is horizontally arranged above the lower shell (10) corresponding to the lower connecting plate (12), an upper shell (8) connected with the upper connecting plate (1) is vertically arranged at the bottom of the upper shell (1) corresponding to the lower shell (10), a first plunger (2) and a second plunger (7) are vertically arranged in the upper shell (8) at the bottom of the upper connecting plate (1), the upper ends of the first plunger (2) and the second plunger (7) are connected to the upper connecting plate (1), and the lower ends of the first plunger (2) and the second plunger (7) are respectively inserted into the first cavity (3) and the second cavity (6) In the damping fluid (11), the characteristics are as follows: a cavity III (16) is formed in the lower shell (10), a pressure spring (13) for supporting is vertically arranged in the cavity III (16), a supporting body (4) is vertically arranged at the top of the pressure spring (13), the lower end of the supporting body (4) penetrates through the cavity III (16), and the top of the supporting body (4) is supported on the upper connecting plate (1).

2. A dual barrel, loadable viscous damper as in claim 1, wherein: and the cavity III (16) is positioned between the cavity I (3) and the cavity II (6).

3. A dual barrel, loadable viscous damper as in claim 1, wherein: a plurality of hemispherical pits are formed in the upper surface of the supporting body (4), and a ball body (5) used for supporting is arranged in each pit.

4. A dual barrel, loadable viscous damper as in claim 1, wherein: a flat plate (14) is horizontally arranged at the bottom of the pressure spring (13) in the cavity III (16), and a screw (15) vertically penetrates through a lower connecting plate (12) at the bottom of the flat plate (14) through a thread.

5. A dual barrel, loadable viscous damper as in claim 1, wherein: the lower shell (10) is sleeved with a sealing sleeve (9), and the upper end of the sealing sleeve (9) is sleeved on the upper shell (8).

6. A dual barrel loadable viscous damper according to claim 3 in which: the support body (4) is made of carbon fibers, and the ball body (5) is made of hard alloy.